fix: Container default resources quota requests is equal to limits and input number can be as '4.'

Created by: weili520

What type of PR is this?

/kind bug

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Special notes for reviewers:

https://user-images.githubusercontent.com/33231138/137858738-f7f3ef12-9aac-45e7-ac1d-03a6dda629af.mov

Does this PR introduced a user-facing change?

NONE

Additional documentation, usage docs, etc.: